# HOW TO EDIT THIS FILE: # The "handy ruler" below makes it easier to edit a package description. Line # up the first '|' above the ':' following the base package name, and the '|' # on the right side marks the last column you can put a character in. You must # make exactly 11 lines for the formatting to be correct. It's also # customary to leave one space after the ':'. |-----handy-ruler------------------------------------------------------| zvbi: ZVBI (Television Vertical Blanking Interval) zvbi: zvbi: The vertical blanking interval (VBI) is an interval in a television zvbi: signal that temporarily suspends transmission of the signal for the zvbi: electron gun to move back up to the first line of the television zvbi: screen to trace the next screen field. The vertical blanking interval zvbi: can be used to carry data, since anything sent during the VBI would zvbi: naturally not be displayed; various test signals, closed captioning, zvbi: and other digital data can be sent during this time period. zvbi: zvbi: